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how to apply point load at a location without node

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16 hours ago, Q.Nguyen-Dai said:

 

Maybe a pressure?

 

hello,

after I created the temp nodes and apply the forces and run the optiStruct, I received this error

 

ERROR 2148

Invalid design problem

All the sensitivities of response 1 objective are zero

 

How can I resolve this problem?

 

thank you

 

basic_.mvw

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On 2/9/2018 at 7:41 AM, ian said:

 

hello,

after I created the temp nodes and apply the forces and run the optiStruct, I received this error

 

ERROR 2148

Invalid design problem

All the sensitivities of response 1 objective are zero

 

How can I resolve this problem?

 

thank you

 

basic_.mvw

 

temp node must connect to structure (element), use RBE2 or RBE3, ... to connect it

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